<main>
    <svg class="hidden" viewBox="0 0 310 160">
        <defs>
            <clippath id="cp_up"><polygon id="cp_poly_up" points="0,0 310,0 310,160" /></clippath>
            <clippath id="cp_down"><polygon id="cp_poly_down" points="0,0 0,160 310,160" /></clippath>
        </defs>
    </svg>
    <section class="error-content">
        {{error_header}}
        {{error_message}}
    </section>
</main>